Koike; Naomasa
Patent Applications and Registrations
Patent applications and USPTO patent grants for Koike; Naomasa.The latest application filed is for "thermosensitive recording materials".
- Koike; Naomasa - Tsukuba JP
- Koike; Naomasa - Takasago JP
| Patent | Date |
|---|---|
| Thermosensitive recording materials Grant 4,925,827 - Goto , et al. May 15, 1 | 1990-05-15 |
| Thermosensitive recording material Grant 4,742,042 - Hiraishi , et al. May 3, 1 | 1988-05-03 |
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